On combustion analysis, a 0.450 g sample of a chemical compound gves 0418 water and 1.023 g of carbon dioxide. Assuming that the empirical formula of the compound is C,H,Oz, find the values of x, y and z. Ox= 4, y = 6, z = 3 Ox = 6, y = 2, z- 3 Ox = 3, y = 6, z = 1 Ox-3, y = 3, z = 1

Q: How many atoms or ions of each element are in 157.3 g of the following substances? (a) H₂ x 1025 H…

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Q: A certain metal oxide has the formula MO where M denotes the metal. A 44.30-g sample of the compound…

A: MO + H2 → M+H2O44.30 g           33.51 gSince ,        Mass of MO=44.30 g       Mass of M= 35.51…

Q: مان A₂B(g) +B(g) =A₂B₂ (g) 1 c = 16-4 2 Ag+ 2B (g) = A ₂ B₂ (g) kc = 28.2 Fc for the reactio 6 A (g)…

A: here we are required to find the equilibrium constant for the given reaction.

Q: When 1.449 grams of a hydrocarbon, C,Hy, were burned in a combustion analysis apparatus, 4.441 grams…

A: The empirical formula represents the smallest number of each element in a compound, which is…

Q: 2. A sample of a substance containing only carbon, hydrogen, and oxygen has mass x in grams. It is…

A: The equation for the burning of carbohydrate is: x12a+b+16c CaHbOc  +  O2   →    y44CO2  +  Z18…

Q: How many carbon atoms are in 8.94 mL of C3H6O? 1 mole 6.02 x 1023 atoms 1 mL = %3D 0.883 g atoms of…

A: Calculation of mass in 8.94 mL: 1 mL=0.883 g8.94 mL=0.883 g1 mL×8.94 mL=7.894 g

Q: The mass of an organic compound was found to be 58.053 86 by mass spectrometry. Is the sample C₂HN₂,…

A: The solution is given below -

Q: (a) A compound MX2 is formed from the M²+ and X¯ ions. The compound contains 86.8% of X by mass. In…

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Q: A patient is having an allergic reaction and takes a 50.0 mg tablet of the over‑the‑counter…

A: Given, Mass of diphenhydramine hydrochloride = 50.0mg. Moles of diphenhydramine hydrochloride can be…

Q: A compound of potassium had the following percentage composition: K 28.73%; H 1.481%; P 22.76%. The…

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Q: A 1-carat diamond is pure crystaline carbon and has a mass of 0.200 g.Which contains more carbon…

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Q: Dibenzalacetone, C17H14O (molar mass = 234.29 g mol−−1) is a common ingredient in sunscreens that is…

A: The objective of this question is to calculate the mass of Dibenzalacetone (C17H14O) that was…

Q: A 2.4839 g sample of a hydrate of Cu(NO3)2 was heated to drive off all of the water of hydration.…

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Q: A hydrate of formula M2EO3•XH2O (where M is a metal, E is a non-metal, and x is a whole number) has…

A: • Molar mass of oxygen = 16 g/mole                                     (0)• Formula weight of M2E…

Q: Calculate the molar mass for Mn3O7, an oxide of manganese. Express your answer to five significant…

A: Given : chemical formula of compounds B) Mn2O7  C) C7NH16O2  To calculate :- Molar mass of both…

Q: An Organic compound contains 59.00% by mass C, 7.15% by mass H, 7.65% by mass N, and 26.20% by mass…

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Q: Two elements, R and Q, combine to form two binary compounds A and B. In the compound A, 10.50 g of R…

A: The law of multiple proportions states that if two elements combine with each other to form more…

Q: 1- KF(ag) + H_o()

A: Intrdouction:  We have to balance the given reaction .

Q: Calculate the molar mass of the elements (go to the nearest one if your answer does not exactly…

A: Given: 25 g of an element contains 2.37 x 1021 atoms 25 g of an element contains 2.89 x1021 atoms

Q: Elemental analysis of a compound with molar mass 214.22 g/mol gives the following mass percent…

A: Given data,Percent of C=72.89%Percent of H=4.71%Percent of O=22.41%Molar mass of…

Q: A 6.949 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis…

A: Given,mass of unknown organic compound = 6.949 gmass of CO2 = 9.854 gmass of H2O = 6.052 gmolar mass…

Q: For each of the following samples of ionic substances, calculate the number of moles and mass of the…

A: 4.25 g of ammonium iodide 6.31 moles of ammonium sulfide. 9.71 g of barium phosphide 7.63 moles of…

Q: When 6.360 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus, 21.50 grams…

A:

Q: Determine the moles of barium in each sample. Be sure each of your answer entries has the correct…

A: Part 1) 731. g Ba:To find the number of moles of barium, we'll divide the given mass by the molar…

Q: Fill in the blanks for the 1sr image . For the second image it’s filled in which is an example to…

A: Molar mass of the compounds is equal to the sum of the masses of all the elements.

Q: Mass analysis of a common drying agent of organic molecules reveals that it has the empirical…

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Q: One mole of water contains 6.022 × 1023 hydrogen atoms

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Q: mass

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Q: Fill in the blank. One mole of any atomic, ionic or molecular substance is it's respective atomic,…

A: The atomic mass of an element is equal to the mass of one mole of that element. The molecular mass…

Q: An aluminum-containing compound has the formula Mg, Al,0, and is 44.98% oxygen by mass. What is the…

A:

Q: Write the empirical formula for the hydrated KAl(SO4)2, based on your experimental results and…

A: The ratio of moles of H2O to moles of anhydrous KAl(SO4)2 is = 65 The empirical formula of the…

Q: A laboratory analysis of an unknown sample yields 73.13% carbon, 7.38% hydrogen, and 19.49% oxygen.…

A:

Q: Upon combustion, a compound containing only carbon and hydrogen produces 2.87 g CO2 and 1.57 g H2O.…

A: Empirical formula is way of representing a chemical compound which shows the element present in the…

Q: Ammonium perchlorate (NH CIO) is the solid rocket fuel that was used by the U.S. Space Shuttle and…

A: Ammonium perchlorate dissociate into oxygen, chlorine,nitrogen and water.Here we have to calculate…

Q: A 2.78 mg sample of a compound containing carbon, hydrogen, and oxygen underwent combustion…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: The molecular formula of remdesivir is  C27H35N6O8P.  How many oxygen atoms are in 7.9739 moles of…

A: Given: Moles of remdesivir = 7.9739 moles

Q: Tartaric acid is the white, powdery substance that coats sour candies such as Sour Patch Kids.…

A: To solve this problem first we find the mass of C , H and O  Then the number of mole of each to get…

Q: A patient is having an allergic reaction and takes a 12.5mg tablet of the over‑the‑counter…

A: The mass of the tablet is = 12.5 mg = 12.5 x 10-3 g The molecular formula of diphenhydramine…

Q: Caffeine (MM = 194.2 g/mol) is a small molecule that many people ingest for its stimulant effects.…

A: Given molar mass of caffeine = 194.2 g/mol percentages C = 49.5℅ N = 28.9℅ H = 5.19℅ O = 16.5 ℅

Q: A binary compound between an unknown element E and hy- drogen contains 91.27% E and 8.73% H by mass.…

A: using the molecular formula is E3H8 Given moles of E presents in compound is 3

Q: Which of the formulas must be molecular formulas? O C̟H¸N,0 C,H¸O, CH,0 O PO РО 10

A: Emperical formula is that way representing the chemical fourmla in which elements are present in…

Q: is trying to discover information about an unknown metal in a compound. The formula for the compound…

A: Atomic mass of an element is the mass of an atom of the element.Here we have to calculate atomic…

Q: Calculate the molar mass of the elements (go to the nearest one if your answer does not exactly…

A: Given, mass of an element and atoms it contains.  To identify its molar mass and the Element. First,…

Q: A 30.141 mg sample of a chemical known to contain only carbon, hydrogen, sulfur, and oxygen is put…

A: To determine the empirical formula , we would determine the moles of Carbon, Hydrogen , sulfur and…

Q: compound has the following chemical formula: ds for a whole number. s also show that a certain…

A:

Q: Chemistry An element consists of 4.35% of an isotope with mass 49.946 u, 83.79% of an isotope with…

A: calculate the average atomic mass- firstly multiply the fraction by the mass number for each…

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.